How has the application of privacy protection technology progressed on the blockchain?

In the world of blockchain, privacy protection has always been a highly concerned issue. How can we ensure the transparency and traceability of the blockchain while protecting user privacy? In recent years, significant progress has been made in privacy protection technologies, such as zero-knowledge proofs and homomorphic encryption. However, how these technologies can be deeply integrated with blockchain technology still requires further research and exploration. #你问我答